Note: Cheats are only available after the October 31, 2008 online update is applied to your game. While playing the game, activate the PDA, and press LB, RB(2), LB, RB, LB(2), RB(3), LB to enable cheat mode. Then, close the PDA. If you entered the code correctly, a message will appear. Activate the PDA again, and enter one of the following codes at the PDA screen to activate the corresponding cheat function. Note: Achievements are permanently disabled for the current save/profile when cheats are activated.